Mission Statement
PQIA’s mission is to serve the consumer of lubricants by testing and reporting on the quality and integrity of lubricants in the marketplace.
It is expected that this improved visibility of quality will lead to wider conformance by lubricant manufacturers to specification and performance claims.
Lubricant Manufacturers
While this is a very efficient and easy way to shop, the Petroleum Quality Institute of America advises consumers to take the time to look for the specifications the product meets when buying motor oil online. If not shown on the first screen, click or scroll for more details before adding motor oil to your cart.
Test results on samples of Chevron Delo 400 SDE, Shell Rotella T4, and Mobil Delvac 1300 Super. The three brands tested are SAE15W-40 viscosity grade, heavy-duty engine oil (HDEO) with API CK-4 credentials.
Test Results on Samples of Drive MXD, Warren Oil, Pilot, and SHEETZ. The results of the tests conducted on samples of the four products below meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
The results of the tests conducted on two samples of this product do not meet the requirements of the stated claim for an API SN, ILSAC GF-5 motor oil, or the General Motor’s dexos®1 GEN2 specification.
The results of the tests conducted on these samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
The results of the tests conducted on these samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
Test Results in on Havoline, Pro TX and Master Mechanic. The results of the tests conducted on these sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
PQIA Issues Consumer Alerts on Halo 10W-30 and 5W-20 Motor Oil. Use of these motor oils in virtually all automobile engines currently on the road will likely cause harm to the engine.
The following are test results on two samples of motor oil formulated for use in classic cars, muscle cars and other older model vehicles with engines that have flat tappet cams, lifters & pushrods. These products contain higher levels of the antiwear additive ZDDP than that in motor oils formulated for use in most cars currently on the road. For more about such motor oils, see PQIA article, Motor Oils for Classic and Vintage Cars.
ADVISORIES, CONSUMER ALERTS, AND DON’T BUYS Consumer Alert A CONSUMER ALERT is issued by PQIA when the product tested has a significant potential to cause harm to
PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving
PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/HEAVY DUTY DIESEL ENGINE OIL Heavy duty diesel engine oils are formulated to meet the demanding requirements of engines
PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/AUTOMATIC TRANSMISSION FLUID Automatic Transmission Fluids are carefully balanced to lubricate and protect your transmission while providing smooth and
PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY FOR ANTIFREEZE & COOLANT Antifreeze/coolant is critical for protecting engines. The primary function of the fluid is keep
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